Events Tweet by @sheffdocfest Published June 11 2021 01:30 PM Contact Call by @duncan_marquiss is a series of improvised instrumentals played on electric guitar, the result of a close study of bird calls heard in Glasgow during lockdown. Have a listen at @S1Artspace and online https://t.co/LNBWZnont1 #SheffDocFest2021, — Sheffield DocFest (@sheffdocfest) June 11, 2021 12:30